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original carter AVS good or bad? #657025 03/31/10 01:51 PM 03/31/10 01:51 PM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar OP top fuel
eightlitermopar OP top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	Spring is in the air, I have to start working on something (even though it is snowing today) I currently have a 71 RR with a 383, and it has the beloved eddelbrock 750 cfm on it. I "borrowed" a 600 cfm eddy unit from my dad, but when he needed it back, I switched back to the 750. I was amazed at how much better the car ran with the 600. Anyway, I have an original carter carb off a 1969 chrysler station wagon with a 440 in my shed. It ran when I originally got the motor. I will get the stamping number later. Would I benefit from cleaning/gasketing the carb and throwing it on the roadrunner? Or am I just putting my effort in the wrong place. I am on a tight income as the new baby is due in 2 months, but any input would be greatly appreciated. Again, I am on a tight budget but would like to work with what I have. Thanks for the info, sorry for the long post eight Last edited by eightlitermopar; 03/31/10 04:04 PM. Mopar or no car

Re: original carter AVS good or bad? [Re: eightlitermopar] #657026 03/31/10 04:06 PM 03/31/10 04:06 PM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar OP top fuel
eightlitermopar OP top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	Ok changed the original post It is a CARTER AVS carb 4968 S Supposidly from a 1971 440 with an automatic. Would it be worth my time to redo this carb or stick with the eddy 750? Any thoughts? Thanks-eight Mopar or no car

Re: original carter afb good or bad? [Re: eightlitermopar] #657027 03/31/10 04:14 PM 03/31/10 04:14 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	It'll work good for you as it is the largest CFM oe AFB & is listed as iirc 750 cfm but is nowhere close to that but do check the play in the primary throttle shaft as it's 40 + yrs old & no telling how many miles it has seen. NAPA kits are reportedly a slight better than most though none are worth writing home about and w 99% of oe AFB's having 2 step rods/matching jets, an eddy strip kit will work if you want to play (a few motorhome AFB's had 3 step (AVS type) rods/jets) w the domed cap). I have a NAPA AVS kit ordered and it is $28.09 and you can tap the boss on the other side to make it a dual feed and there was a thread yesterday about subbing in an eddy? viton accelerator pump for the oe leather so I'd look that thread up & order one live every 24 hour block of time like it's your last day on earth

Re: original carter AVS good or bad? [Re: eightlitermopar] #657028 03/31/10 04:27 PM 03/31/10 04:27 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: It is a CARTER AVS Any thoughts? 1st was the 750 eddy acting up or was it just larger cfm than needed & that's why the eddy 600 worked better? All oe AVS's were emission carbs and I understand that you can sub in AFB/eddy 2 step rods and the attending 2 step type jets to play with them. On the cheap the 30 dollar kit and the brass floats would still be good and several $$$ for a viton AP and you could get by w spraying the inside of the carb passages out w a can or 2 of starting fluid. Sounds like you are wanting to get away from that eddy 750 live every 24 hour block of time like it's your last day on earth

Re: original carter AVS good or bad? [Re: RapidRobert] #657029 03/31/10 05:13 PM 03/31/10 05:13 PM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar OP top fuel
eightlitermopar OP top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	[quote Sounds like you are wanting to get away from that eddy 750 It works ok, starts right up...but I can tell it runs rich even when it's not supposed to. Even at idle, I'll get it cleaned up...then it lacks power...The 600 was just better...but it did fall on it's face at high revs. I could go on and on....but just toying with what I have. I don't know anything about these original carter carbs and was just looking at my options. Any links or direction into these carbs would be helpful. Thanks eight Mopar or no car

Re: original carter AVS good or bad? [Re: eightlitermopar] #657030 03/31/10 05:31 PM 03/31/10 05:31 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars top fuel
Dougsmopars top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	The orignal carter will be a better carb then the 750 eddy. I like the eddy AVS carbs but the 750's are nothing but trouble. Clean up the carter, get a kit and freshen it up. See what that 600 had for jets. Might be a good place to start tuning that carter for your motor.

Re: original carter AVS good or bad? [Re: Dougsmopars] #657031 03/31/10 06:23 PM 03/31/10 06:23 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: Clean up the carter, get a kit and freshen it up. What Doug said, when you take the top off of it you'll see how simple it is and unloosen/remove the fuel inlet fitting 1st before you take the screws loose/top off. live every 24 hour block of time like it's your last day on earth

Re: original carter AVS good or bad? [Re: Dougsmopars] #657032 03/31/10 07:58 PM 03/31/10 07:58 PM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar OP top fuel
eightlitermopar OP top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	Quote: The orignal carter will be a better carb then the 750 eddy. I like the eddy AVS carbs but the 750's are nothing but trouble. Clean up the carter, get a kit and freshen it up. See what that 600 had for jets. Might be a good place to start tuning that carter for your motor. Ok, stupid question here... So can I use the same rods/jets from an edelbrock tune kit or do I get this specifically for older carters somewhere else. I have tuned edelbrocks for years so how they work is not too far out for me to understand. thanks! eight Mopar or no car

Re: original carter AVS good or bad? [Re: eightlitermopar] #657033 03/31/10 08:25 PM 03/31/10 08:25 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	That is not a stupid Q at all. I have not done it (yet) but I understand the Eddy 2 step rods/jets will work in the oe AFB's and in the oe AVS's but in the oe AVS case, eddy pri jets must be used (they're made for the 2 step rods as opposed to the taller oe AVS pri jets for the 3 step oe rods) along w an AFB flat cover(s)(2). But I think there are several eddy strip kits so I dont know if you only need to get the kit that has close to the same dia/orifice rods/jets as the oe AFB/AVS ones originally in use or if something else is different but I dont know what it could be. I've compared eddy/oe and the only diff I see (other than dia's) is the transition is at a slightly different point along the length of the rod live every 24 hour block of time like it's your last day on earth

Re: original carter AVS good or bad? [Re: RapidRobert] #657034 03/31/10 08:44 PM 03/31/10 08:44 PM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar OP top fuel
eightlitermopar OP top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	Quote: That is not a stupid Q at all. I have not done it (yet) but I understand the Eddy 2 step rods/jets will work in the oe AFB's and in the oe AVS's but in the oe AVS case, eddy pri jets must be used (they're made for the 2 step rods as opposed to the taller oe AVS pri jets for the 3 step oe rods) along w an AFB flat cover(s)(2). But I think there are several eddy strip kits so I dont know if you only need to get the kit that has close to the same dia/orifice rods/jets as the oe AFB/AVS ones originally in use or if something else is different but I dont know what it could be. I've compared eddy/oe and the only diff I see (other than dia's) is the transition is at a slightly different point along the length of the rod Interesting.... does anyone sell the kits with rods/jets specifically for the old carter carbs? how was this done back in the day? thanks!! Mopar or no car

Re: original carter AVS good or bad? [Re: eightlitermopar] #657035 03/31/10 09:04 PM 03/31/10 09:04 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	"back in the day" there was 1 strip kit for AFB's and 1 for AVS's and they came with a multitude of rods/jets/needles/seats as compared to the meager offerings in the eddy kits (or at least the one (1487) for my eddy 1406 (600 elec choke)which had a few of each. My sheet lists 6 different strip kits (eddy calls them calibration kits) for the performer series carbs. carb-kit: 1403/1404-#1486. 1405-1479. 1406-1487. 1409-1488. 1407/10/12/13-1480. 1411-1489 with a total of 16 different pairs of jets available and 19 pairs of rods available which is most likely the total in all of the above kits combined ranging from a .077" to a .119" on the jets and .062"/.052" at the top of the chart to .075"/.047" (19) lower at the bottom of the list but the other day at the Rocky manginelli swap meet I bought a pair of eddy (oe AFB/AVS maybe) .120" jets so there's more to the story but you (now) know what I know live every 24 hour block of time like it's your last day on earth

Re: original carter AVS good or bad? [Re: RapidRobert] #657036 03/31/10 09:57 PM 03/31/10 09:57 PM
Joined: Mar 2005 Posts: 1,630 North Central Florida E eightlitermopar OP top fuel
eightlitermopar OP top fuel E Joined: Mar 2005 Posts: 1,630 North Central Florida	I agree with the meager offerings of edelbrock calibration kits. Because of my elevation and use, I actually had to buy two kits at one time to get all the right rods/jets matched right. I am interested in this carter thing though, I will keep looking. eight Mopar or no car

Re: original carter AVS good or bad? [Re: eightlitermopar] #657037 03/31/10 10:02 PM 03/31/10 10:02 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars top fuel
Dougsmopars top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	the worst part is if you look at the tuning guide half of the rods and jets don't come in that kit. They want you to fork over another 30 bucks to get a different kit.

Re: original carter AVS good or bad? [Re: Dougsmopars] #657038 03/31/10 10:28 PM 03/31/10 10:28 PM
Joined: Feb 2003 Posts: 10,209 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,209 Someplace you aren't	It would be worth trying the AVS. A great carb. I think you may need to use the flat caps off the AFB eddy to be able to run the 2 step rods. I want my fair share

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